SPEC.cpp
1.83 KB
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/*
* Copyright (C) 2011 Mathieu Turcotte (mathieuturcotte.ca)
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see http://www.gnu.org/licenses/.
*/
#include <string.h>
#include "SPEC.h"
int _match_spec(const char* spec, const char* text) {
/*
* If the whole specification string was consumed and
* the input text is also exhausted: it's a match.
*/
if (spec[0] == '\0' && text[0] == '\0')
return 1;
/* A star matches 0 or more characters. */
if (spec[0] == '*') {
/*
* Skip the star and try to find a match after it
* by successively incrementing the text pointer.
*/
do {
if (_match_spec(spec + 1, text))
return 1;
} while (*text++ != '\0');
}
/*
* An interrogation mark matches any character. Other
* characters match themself. Also, if the input text
* is exhausted but the specification isn't, there is
* no match.
*/
if (text[0] != '\0' && (spec[0] == '?' || spec[0] == text[0]))
return _match_spec(spec + 1, text + 1);
return 0;
}
int match_spec(const char* spec, const char* text) {
/* On Windows, *.* matches everything. */
if (strcmp(spec, "*.*") == 0)
return 1;
return _match_spec(spec, text);
}